21338280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59273}}^1$

素因数の和:59290

約数の個数: 48

約数和(自身を含む): 69350580

約数和(自身を除く): 48012300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59273, 118546, 177819, 237092, 296365, 355638, 474184, 533457, 592730, 711276, 889095, 1066914, 1185460, 1422552, 1778190, 2133828, 2370920, 2667285, 3556380, 4267656, 5334570, 7112760, 10669140, 21338280]

約数ペア:

[(1, 21338280), (2, 10669140), (3, 7112760), (4, 5334570), (5, 4267656), (6, 3556380), (8, 2667285), (9, 2370920), (10, 2133828), (12, 1778190), (15, 1422552), (18, 1185460), (20, 1066914), (24, 889095), (30, 711276), (36, 592730), (40, 533457), (45, 474184), (60, 355638), (72, 296365), (90, 237092), (120, 177819), (180, 118546), (360, 59273)]